Essays about: "Wastewater"

Showing result 11 - 15 of 589 essays containing the word Wastewater.

  1. 11. Production of natural pigments from A. platensis grown on wastewater from local treatment facility.

    University essay from Lunds universitet/Teknisk mikrobiologi; Lunds universitet/Bioteknik

    Author : Hana Faulds; [2023]
    Keywords : Cyanobacteria; pigments; microalgae; wastewater treatment; biotechnology; Technology and Engineering; Biology and Life Sciences;

    Abstract : Although microalgae have been considered for the biological treatment of wastewater since the 1950’s, their potential to efficiently remove pollutants from various streams remains largely untapped and is yet to be utilized at large scale. The production of algal biomass and extraction of high-value compounds has, however, become increasingly popular with large scale farms and biorefineries around the world producing many promising alternatives to petroleum-based products and processes. READ MORE

  3. 12. Evaluation of pharmaceutical removal in seven WWTPs : Efficiency of different treatment technologies

    University essay from Stockholms universitet/Institutionen för miljövetenskap

    Author : Viktor Munkhammar; [2023]
    Keywords : Pharmaceuticals; wastewater treatment plant; removal efficiency; biological treatment; ozonation;

    Abstract : Wastewater treatment plants (WWTPs) are originally not constructed to remove pharmaceuticals from the wastewater. Biological treatment technologies used in many WWTPs today, e.g., activated sludge, MBBR and trickling filters, can, however, remove some pharmaceuticals well. READ MORE

  4. 13. Investigation on the natural indigo dye for cotton fabric by using supercritical carbon dioxide

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Ryoi Takamatsu; [2023]
    Keywords : Dyeing; supercritical carbon dioxide; indigo; cotton; eco-friendly; textile;

    Abstract : Concerns about the environmental impact of the textile industry are increasing, and there is an urgent need to develop and implement sustainable technologies. In particular, the environmental impact of dyeing, which emits a large amount of wastewater and chemicals, is one production process that needs to be resolved. READ MORE

  5. 14. Finding ways of optimizing coagulant dosage, for a more sustainable wastewater treatment process

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Hanna Sjöman; [2023]
    Keywords : Wastewater treatment process; coagulant dosage; COD; machine learning; water and environmental engineering; Technology and Engineering;

    Abstract : The wastewater treatment process at Oatly consists of several treatment steps of which, two are chemical treatment steps involving coagulation followed by flotation to remove phosphorous and COD. The coagulant dosage is mainly determined based on the operator’s experience and supported using results from jar tests. READ MORE

  6. 15. Freshwater Security in Small Island Developing States: A case study of Anguilla

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Julia Korten; [2023]
    Keywords : Anguilla; Desalination; Freshwater import; Freshwater security; Small Island Developing State; Sustainable Devel-opment; Wastewater treatment;

    Abstract : Freshwater scarcity leads to serious effects on the socioeconomic and commercial development of a country. The management of freshwater resources will be one of the most pressing issues of this millennium making it a catalyst for war and peace. READ MORE